package com.ruoyi.project.monitor.job.service;

import java.util.List;

import javax.annotation.PostConstruct;

import org.quartz.CronTrigger;
import org.quartz.Scheduler;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import com.ruoyi.common.constant.ScheduleConstants;
import com.ruoyi.common.support.Convert;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.common.utils.security.ShiroUtils;
import com.ruoyi.project.monitor.job.domain.Job;
import com.ruoyi.project.monitor.job.mapper.JobMapper;
import com.ruoyi.project.monitor.job.util.ScheduleUtils;

/**
 * 定时任务调度信息 服务层
 * 
 * @author flyfish
 */
@Service("jobService")
public class JobServiceImpl implements IJobService {
	@Autowired
	private Scheduler scheduler;

	@Autowired
	private JobMapper jobMapper;

	/**
	 * 项目启动时，初始化定时器
	 */
	@PostConstruct
	public void init() {
		List<Job> jobList = jobMapper.selectJobAll();
		for (Job job : jobList) {
			CronTrigger cronTrigger = ScheduleUtils.getCronTrigger(scheduler, job.getJobId());
			// 如果不存在，则创建
			if (cronTrigger == null) {
				ScheduleUtils.createScheduleJob(scheduler, job);
			} else {
				ScheduleUtils.updateScheduleJob(scheduler, job);
			}
		}
	}

	/**
	 * 获取quartz调度器的计划任务列表
	 * 
	 * @param job 调度信息
	 * @return
	 */
	@Override
	public List<Job> selectJobList(Job job) {
		return jobMapper.selectJobList(job);
	}

	/**
	 * 通过调度任务ID查询调度信息
	 * 
	 * @param jobId 调度任务ID
	 * @return 调度任务对象信息
	 */
	@Override
	public Job selectJobById(Long jobId) {
		return jobMapper.selectJobById(jobId);
	}

	/**
	 * 暂停任务
	 * 
	 * @param job 调度信息
	 */
	@Override
	public int pauseJob(Job job) {
		job.setStatus(ScheduleConstants.Status.PAUSE.getValue());
		job.setUpdateBy(ShiroUtils.getLoginName());
		int rows = jobMapper.updateJob(job);
		if (rows > 0) {
			ScheduleUtils.pauseJob(scheduler, job.getJobId());
		}
		return rows;
	}

	/**
	 * 恢复任务
	 * 
	 * @param job 调度信息
	 */
	@Override
	public int resumeJob(Job job) {
		job.setStatus(ScheduleConstants.Status.NORMAL.getValue());
		job.setUpdateBy(ShiroUtils.getLoginName());
		int rows = jobMapper.updateJob(job);
		if (rows > 0) {
			ScheduleUtils.resumeJob(scheduler, job.getJobId());
		}
		return rows;
	}

	/**
	 * 删除任务后，所对应的trigger也将被删除
	 * 
	 * @param job 调度信息
	 */
	@Override
	public int deleteJob(Job job) {
		int rows = jobMapper.deleteJobById(job);
		if (rows > 0) {
			ScheduleUtils.deleteScheduleJob(scheduler, job.getJobId());
		}
		return rows;
	}

	/**
	 * 批量删除调度信息
	 * 
	 * @param ids 需要删除的数据ID
	 * @return 结果
	 */
	@Override
	public void deleteJobByIds(String ids) {
		Long[] jobIds = Convert.toLongArray(ids);
		for (Long jobId : jobIds) {
			Job job = jobMapper.selectJobById(jobId);
			deleteJob(job);
		}
	}

	/**
	 * 任务调度状态修改
	 * 
	 * @param job 调度信息
	 */
	@Override
	public int changeStatus(Job job) {
		int rows = 0;
		String status = job.getStatus();
		if (ScheduleConstants.Status.NORMAL.getValue().equals(status)) {
			rows = resumeJob(job);
		} else if (ScheduleConstants.Status.PAUSE.getValue().equals(status)) {
			rows = pauseJob(job);
		}
		return rows;
	}

	/**
	 * 立即运行任务
	 * 
	 * @param job 调度信息
	 */
	@Override
	public int run(Job job) {
		return ScheduleUtils.run(scheduler, selectJobById(job.getJobId()));
	}

	/**
	 * 新增任务
	 * 
	 * @param job 调度信息 调度信息
	 */
	@Override
	public int addJobCron(Job job) {
		job.setCreateBy(ShiroUtils.getLoginName());
		job.setStatus(ScheduleConstants.Status.PAUSE.getValue());
		int rows = jobMapper.insertJob(job);
		if (rows > 0) {
			ScheduleUtils.createScheduleJob(scheduler, job);
		}
		return rows;
	}

	/**
	 * 更新任务的时间表达式
	 * 
	 * @param job 调度信息
	 */
	@Override
	public int updateJobCron(Job job) {
		int rows = jobMapper.updateJob(job);
		if (rows > 0) {
			ScheduleUtils.updateScheduleJob(scheduler, job);
		}
		return rows;
	}

	/**
	 * 保存任务的时间表达式
	 * 
	 * @param job 调度信息
	 */
	@Override
	public int saveJobCron(Job job) {
		Long jobId = job.getJobId();
		int rows = 0;
		if (StringUtils.isNotNull(jobId)) {
			rows = updateJobCron(job);
		} else {
			rows = addJobCron(job);
		}
		return rows;
	}

}
